PRD 650

A PRD 650 model DTH cum Rotary drilling rig with mast assembly, rotary head, control panel and other related accessories mounted on a new 6 X 4 Truck with all other standard accessories. A hydraulically driven PRD 125 mud pump is also mounted on the same truck. Power for the rig is taken from truck engine through transfer gear box. Welding machine is also mounted on the same truck


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PRD 650 - TECHNICAL SPECIFICATIONS
CAPACITY 6 1/2" dia bore holes to a depth of 180 mtrs
PRIME MOVER Truck mounted rig with power from truck engine or seperate deck engine
WORK METHOD Rotation with direct circulation, nucleus destruction with bleeding by water, air or foam Box type structure
Max Capacity - 10 tons (22000 lbs)
Height - 7 mtr (23 ft)
Rod handling capacity - 4.5 mtr (15 ft)
Casing handling capacity - 3 mtr
PULL UP AND PULL DOWN By means hydraulic cylinder and wire rope,
reeving Ratio 1:3
Max pull up force 5500 kg (12100 lbs)
Max pull up speed - 38mtr/min
Max pull down force - 5600 lbs (2600 kg)
Max pull down speed - 63mtr/min (207ft/min)
HYDRAULIC SYSTEM Max operating pressure - 210 kg / cm2 (3000 psi)
ROTARY HEAD Rotary head is powered by one hydraulic motor
Max torque - 19,600 in - lbs (225 kg-mtrs)
Max speed - 0 to 90 rpm
BREAK OUT WRENCH To open the drill joints hydraulic break out wrench of 350 mm stroke will be provided with rope attached
JACKS Four lug mounted type hydraulic jacks
WATER INJECTION PUMP Triplex reciprocating pump powered by hydraulic motor
OPTIONAL ATTACHMENT Hydraulic motor driven or engine driven centrifugal mud pump
SUITABLE COMPRESSOR 650 cfm / 200 psi; 600 cfm / 200 psi; 540 cfm / 185 psi


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